Foldable bicycle frame



FIG. 1 is a perspective view of a foldable bicycle frame in accordancewith my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view showing the foldable bicycle frame beingassembled on a foldable bicycle;

FIG. 9 is a perspective view of a foldable bicycle frame showing asecond embodiment of my design;

FIG. 10 is a front view of FIG. 9;

FIG. 11 is a rear view of FIG. 9;

FIG. 12 is a left view of FIG. 9;

FIG. 13 is a right view of FIG. 9;

FIG. 14 is a top view of FIG. 9;

FIG. 15 is a bottom view of FIG. 9; and,

FIG. 16 is a perspective view showing the foldable bicycle frame of FIG.9 being assembled on a foldable bicycle.

The broken lines illustrate environmental structure and form no part ofthe claimed design.

The ornamental design for a foldable bicycle frame, as shown anddescribed.